205562020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1\times {\mathrm{577}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 442794240

約数和(自身を除く): 237232220

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 379, 470, 577, 758, 940, 1154, 1516, 1895, 2308, 2885, 3790, 5770, 7580, 11540, 17813, 27119, 35626, 54238, 71252, 89065, 108476, 135595, 178130, 218683, 271190, 356260, 437366, 542380, 874732, 1093415, 2186830, 4373660, 10278101, 20556202, 41112404, 51390505, 102781010, 205562020]

約数ペア:

[(1, 205562020), (2, 102781010), (4, 51390505), (5, 41112404), (10, 20556202), (20, 10278101), (47, 4373660), (94, 2186830), (188, 1093415), (235, 874732), (379, 542380), (470, 437366), (577, 356260), (758, 271190), (940, 218683), (1154, 178130), (1516, 135595), (1895, 108476), (2308, 89065), (2885, 71252), (3790, 54238), (5770, 35626), (7580, 27119), (11540, 17813)]